class_docstr: Class for Tree search based optimisation. 
docstr: Returns queried points and corresponding values. 
docstr_tok: ["Returns","queried","points","and","corresponding","values","."]
code: def get_queried_pts(self):
      """Returns queried points and corresponding values."""
      return self.query_pts, self.query_vals
  
imports: from __future__ import division
  from functools import total_ordering
  from argparse import Namespace
  import numpy
  from .general_utils import map_to_bounds
label_desc: Use image node_id 3 for calling the OptTree obj's underlying member method code with example usage: obj.get_queried_pts() and returns: self,  self